Spun bonded fabric, and articles made therefrom

Details Spun bonded fabric, and articles made therefrom Spun bonded fabric, and articles made therefrom

1974-01-04

1976-04-06

Van Balen, William J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Edge feature

128284, 128296, 156167, 264210F, 428284, 428290, 428296, 428301, 428409, B32B 704

Patent

active

039491307

ABSTRACT:
A spun bonded web of substantially continuous synthetic filaments has one side that is at least two times smoother than the other side. The majority of the filament cross points within the web are fuse bonded during the web spinning process. The web is spun by blowing a line of spaced, molten synthetic filaments onto a smooth collecting surface which is in motion substantially transverse to the direction of flow of the filaments. The filaments are still soft when they contact the collecting surface and flatten against the collecting surface to form the smooth side of the web. On the other side of the web, the filaments are randomly entangled to form the rough side of the web. A disposable diaper or like article is formed by covering at least one side of an absorbent pad with the fabric of this invention, the rough side of the fabric facing the absorbent pad and serving to anchor the pad against bunching, splitting, or separating. The rough side of the fabric preferably also acts as a moisture carrier for wicking moisture through the fabric and into the absorbent pad. The smooth side of the fabric provides a smooth outer surface for comfortable contact with the baby' s skin. The fabric of this invention can also be used as a covering for pillow cases, carpet underlay pads, mattress pads, quilts, insulated clothing, sleeping bags, cushioning materials, insulating materials, industrial air filters, liquid filters, under pads, towels, sheets, gowns, non-adherent dressings, and other articles utilizing a fabric which has one rough side and one smooth side.

REFERENCES:
patent: 3067747 (1962-12-01), Wolterding et al.
patent: 3338992 (1967-08-01), Kinney
patent: 3341394 (1967-09-01), Kinney
patent: 3502763 (1970-03-01), Hartmann
patent: 3507943 (1970-04-01), Such et al.
patent: 3554854 (1971-01-01), Hartmann
patent: 3692618 (1972-09-01), Dorschner et al.
patent: 3770562 (1973-11-01), Newman
patent: 3795571 (1974-03-01), Prentice

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